User manual ROLAND JD-800 SERVICE MANUAL

[. . . ] IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS WARNING - When using electric products, basic precautions should always be followed, including the following: 1. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized or grounding-type plug. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. [. . . ] If you need to turn off the power completely, unplug the power cord from the power outlet. For this reason, the outlet into which you choose to connect the power cord’s plug should be one that is within easy reach and readily accessible. • With the factory settings, the CM-110 and JD-800 will automatically be switched off approximately 4 hours after you stop playing or operating the unit. If you don’t want the power to turn off automatically, change the “AUTO OFF” setting to “OFF” as described on p. • Depending on the material and temperature of the surface on which you place the unit, its rubber feet may discolor or mar the surface. You can place a piece of felt or cloth under the rubber feet to prevent this from happening. If you do so, please make sure that the unit will not slip or move accidentally. Swiftly wipe away any liquid that spills on the unit using a dry, soft cloth. • Company names and product names appearing in this document are registered trademarks or trademarks of their respective owners. English Maintenance • For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. 4 Panel Descriptions Rear Panel INPUT jacks Here you can connect the audio source devices that you want to listen to. * When connection cables with resistors are used, the volume level of equipment connected to the INPUT jacks may be low. CH 2 jacks A device such as television, computer, or audio player (with RCA phono plugs or a stereo mini-plug) can be connected here. CH 1 jacks A musical instrument such as a keyboard or V-Drums can be connected here (1/4” phone plugs). English Jack type * This instrument is equipped with balanced (XLR/TRS) type jacks. Make connections after first checking the wiring diagrams of other equipment you intend to connect. GND (SLEEVE) HOT (TIP) 1: GND 2: HOT 3: COLD COLD (RING) Deutsch Jack type Jack type Jack type Français PHONES jack Headphones (stereo mini-plug; sold separately) can be connected here. * If headphones are connected, sound will not be output from the main unit (subwoofer) or satellite speakers. Italiano Español AC IN jack Connect the included power cord here. português Nederlands Rear panel Rear panel SATELLITE SPEAKER jacks Connect the included satellite speakers here. 5 Turning the System On Top Panel [CH 1], [CH 2], [CH 3] knobs These adjust the volume of the sound being input at the CH 1 jacks, CH 2 jacks, and CH 3 jack. [. . . ] By mounting the satellite speakers on non-Roland specified microphone stands, you can position them at the optimal height for use as monitors or as a convenient PA system. WARNING The microphone stand holder on the bottom of each satellite speaker provides two holes: 3/8” and 5/8”. 5/8” diameter 3/8” diameter English Deutsch Français • As shown in the illustration below, open the legs of the microphone stand (50 cm or more), and position it so that the total height (including the satellite speaker) does not exceed 105 cm. 105 cm (41-3/8”) or less Italiano 50 cm (19-11/16”) or more Español • If the microphone stand is higher than 105 cm (including the satellite speaker), or if the legs are not spread out, the stand and speaker may tip over, causing injury or damage. [. . . ]